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| 1 | Boiler Cap. 32 T/Hrs, working pressure 45Kg/cm2 make CVL |
| 2 | dismantling, Fabrication & Erection of IBR Tubes for both the boilers side wall panel along with fins fabrication, erection to be done as per drgTube size 50.8 OD x 4.06 mm thickness x 8.3 Mtr long. |
| 3 | dismantling & Erection of Primary super heater coils including hydraulic testing at ground |
| 4 | Fabrication of primary super heater coils as per drawing including hydraulic testing at ground |
| 5 | dismantling & Erection of Secondary super heater coils including hydraulic testing at ground of both the boilers. |
| 6 | Repair of Seconday super heater coil including hydraulic testing at ground of both the boilers. |
| 7 | Fabrication of secondary super heater coils as per drg. No. ACSM-15 |
| 8 | Replacement (Dismantling & Erection) of complete Economiser coils of both the boilers. |
| 9 | Fabrication of complete economizer coild of the boilers as per drg. ACSM-16 Size of Tube : 50.8 mm od X 4.06 mm wall thickness Material of Tube BS3059 ERW-Part-II 360 Make of the material TATA/TI/BHEL |
| 10 | Dismantling and Erection 6\" IBR Steam Pipeline |
| 11 | Dismantling and erection 6\" long bend |
| 12 | Dismantling and Erection 6\" short bend |
| 13 | Dismantling & Erection of Air heater tubes of FD (including welding of Top & Bottom tube plate holes) Material SpecificationBS1775/64Tube Diameter60.3mmThickness 2.9mmTube Length 3.528 mtrs. No. of Tubes 400 |
| 14 | Dismantling, Fabrication & Erection of roof tube panel (Front header to steam drum) of boiler no 1 & 2 |
| 15 | Dismantling, Fabrication & Erection of drum to drum tube as per drg/sample Tube size 63.5mm x 3.66mm |
| 16 | Dismantling, Fabrication & Erection of Air Heater tube of PA (Including welding of Top & Bottom tube plate holes) |
| 17 | Boiler No.1 Dismantling and removed of old refractory material & reparing with new refractory which includes : Side wall & Front Wall, all headers, Top, Roofs and Door repair and other door repair and other repair work if any. |
| 18 | Boiler No. 2Dismantling and removed of old refractory material & repairing with new refractory which includes :-Repair of Roof, doors, wall & front wall. All headers repair and other repair work if any. |
| 19 | Repair, maintenance & overhauling of both the boilersScope of work1. Complete repair of boiler Auxiliaries which includes ID Fans, FD Fans, PA Fans, MDC\"s, Feed water tank, Desecrator Tank and soot blowers.Work includes:-a) Cleaning of Feed water & Deprecator tanks and painting of tanks along with checking of all the pipe lines, valves and manholes and connecting transfer pumps.b) Checking of ID Fans, FD Fans and PA Fans which includes repair of vanes of Fans, Pedestal bearings and coupling. Also connecting Ducting with dampers to be repaired along with expansion joints. Alignment of motors to be done also.c) Thorough checking and repair of nozzles, Cones of MDC\"s of both the boilers along with their cooling arrangements, gear boxes and drives.d) Thorough repair of Soot blowers which includes cleaning of steam pipe lines, driving system etc along with motors to be made fully operational.2. Complete repair of Boilers Fittings & Mountings which includes all water level gauges, Pressure gauges, Safety valves, Feed control valves, Spray control valves and all the valves of Boilers.Work include:-a) Opening of steam drums of both the boilers which includes taking out the fittings. Fittings are to be repaired outside along with stainers. They are to be painted and refitted in the steam drums after cleaning and painting of steam drums.b) Steam drums water level gauges along with all the valves and drains are to be thoroughly repaired and refitted at their positions.c) Cleaning of mud drums along with its headers which includes cutting of blinds of headers for cleaning purposes. Blinds are to be rewelded after cleaning. All the connecting blow down pipe line and valves are to be checked and repaired.d) Feed water line & spray control valves along with its valves and drains are to be checked and repaired.e) Stop valves, Safety valves of super heated and steam drums are to thoroughly checked and repaired along with replacement copper joints and H.P. steam joint.3. Hydraulic testing for both the boilers. |
